CASSETTE TAPE PLAYER HAVING CIRCUIT FOR DETECTING REVERSE ROTATION OF TAPE-UP REEL

A system for preventing improper tape feed in a cassette tape player uses pulse width measurements from the take-up reel output signal to sense normal or aberrant tape feeding conditions. The pulse width of the output signal is compared with a predetermined range of pulse widths associated with norm...

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Bibliographic Details
Main Author TARPLEY, GERALD W., JR
Format Patent
LanguageEnglish
French
Published 20.04.1994
Edition5
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:A system for preventing improper tape feed in a cassette tape player uses pulse width measurements from the take-up reel output signal to sense normal or aberrant tape feeding conditions. The pulse width of the output signal is compared with a predetermined range of pulse widths associated with normal tape operation. The tape player either stops or reverses the rotation of the take-up reel if the pulse width of the output signal is outside of the predetermined range, denoting an aberrant tape feeding condition.
Bibliography:Application Number: CA19932108429